Physics Lesson Notes

Introduction

• Welcome & Greetings
• Discussion on Dynamics and Forces

Introduction to Dynamics

• Discussion on predecessor course (COS)
• Introduction to Dynamics and reference to Ghazni

Definition and Types of Forces

• Introduction to push and pull
• Different states of forces (rest and motion)
• Change in state by force

Characteristics of Forces

• Force as a vector quantity
• Definition and units of force (SI and CGS)
• Introduction to polar vectors

Types of Forces and Their Laws

• Balanced and unbalanced forces
• Newton's First Law and important concepts
• Inertia of rest, motion, and direction

Types of Forces

• Electromagnetic, gravity, van der Waals, and strong forces
• Characteristics of contact forces and gravitational force

Newton's Laws (All Three Laws)

• Law 1: Definitions of rest and motion
• Law 2: Introduction to force (F=ma)
• Law 3: Action and reaction forces

Questions and Explanations on Different Types of Forces

• Concept of spring force
• Questions on velocity and acceleration

Frictional Force

• Introduction to friction and its types
• Static and kinetic friction
• Diagrams and questions on frictional force

Pseudoforce

• Difference between inertial and non-inertial frames
• Presentations with examples and questions about them

Dynamics of Circular Motion

• Centripetal acceleration and its calculations
• Effects of forces in circular paths
• Questions on simple pendulum and conical pendulum (with components)